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Finding the Fourth Proportional to 735,203.10, 1,014,860.79 and 714,978.78

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Solution

The fourth proportional to 735,203.10, 1,014,860.79 and 714,978.78 is: 986,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,203.10 : 1,014,860.79 = 714,978.78 : x
  2. Step 2: Convert to fraction form
    735,203.10/1,014,860.79 = 714,978.78/x
  3. Step 3: Cross multiply
    735,203.10x = 1,014,860.79 × 714,978.78
  4. Step 4: Simplify right side
    735,203.10x = 725,603,929,504.04
  5. Step 5: Solve for x
    x = 725,603,929,504.04/735,203.10
  6. Step 6: Final answer
    x = 986,943.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.